I3 is a tiling window manager
I3 website for documentation about I3.
To install I3WM type:
sudo pacman -S i3-wm
I3 uses dmenu as an applications launcher and you need to install that too.
sudo pacman -S dmenu
And you will need a terminal for it to have any bigger use.
sudo pacman -S xterm
fell free to install any browser or application you need or want.
Press enter to do the initial config.
Chose wich key you want to use as “Mod key” and then press enter.
When you are inside the normal keybinding to launch xterm is “Mod+Enter”